import java.io.*;
import java.net.*;
import java.awt.*;
import javax.swing.*;
import java.util.*;
import java.awt.event.*;
import javax.swing.border.*;

public class Run{
    
    public static void main(String[] arg) throws IOException{
        
        
        new Server();
        
        
        String ip="";
        
        try{
            ip = InetAddress.getLocalHost().toString();
        }catch(Exception e){}
        
        System.out.println(ip);
        
    }
}